Home / 7,442.45-10,274.75-5,065.23

Finding the Fourth Proportional to 7,442.45, 10,274.75 and 5,065.23

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Solution

The fourth proportional to 7,442.45, 10,274.75 and 5,065.23 is: 6,992.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,442.45 : 10,274.75 = 5,065.23 : x
  2. Step 2: Convert to fraction form
    7,442.45/10,274.75 = 5,065.23/x
  3. Step 3: Cross multiply
    7,442.45x = 10,274.75 × 5,065.23
  4. Step 4: Simplify right side
    7,442.45x = 52,043,946.62
  5. Step 5: Solve for x
    x = 52,043,946.62/7,442.45
  6. Step 6: Final answer
    x = 6,992.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.